<template>
  <div class="todo-footer">
    <label>
      <input type="checkbox" v-model="setAndGetAllDone" />
    </label>
    <span> <span>已完成{{todoDatas.reduce((pre,now) => {return now.isDone == true ? pre + 1 : ''},0) || 0}}</span> / 全部{{todoDatas.length}} </span>
    <button class="btn btn-danger" @click="removeIsDoneTodos">清除已完成任务</button>
  </div>
</template>

<script>
export default {
    name: "TodoFoot",
    props: ["todoDatas","changeAllIsDone","removeIsDoneTodos"],
    data(){
      return {
        isAllDone: false
      }
    },
    computed: {
      setAndGetAllDone: {
        get(){
          return this.isAllDone;
        },
        set(){
          this.isAllDone = !this.isAllDone;
          this.changeAllIsDone(this.isAllDone);
        }
      }
    }
}
</script>

<style>
/*footer*/
.todo-footer {
  height: 40px;
  line-height: 40px;
  padding-left: 6px;
  margin-top: 5px;
}

.todo-footer label {
  display: inline-block;
  margin-right: 20px;
  cursor: pointer;
}

.todo-footer label input {
  position: relative;
  top: -1px;
  vertical-align: middle;
  margin-right: 5px;
}

.todo-footer button {
  float: right;
  margin-top: 5px;
}
</style>